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December 19, 2014

Homework Help: Physics

Posted by Unknown on Sunday, November 8, 2009 at 9:25pm.

Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the eardrum is about 8.4 mm in humans. How much energy is delivered to your eardrum each second when someone whispers 20dB a secret in your ear?

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